1251878888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{2237}}^1\times {\mathrm{5381}}^1$

素因数の和:7637

約数の個数: 32

約数和(自身を含む): 2529432360

約数和(自身を除く): 1277553472

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 2237, 4474, 5381, 8948, 10762, 17896, 21524, 29081, 43048, 58162, 69953, 116324, 139906, 232648, 279812, 559624, 12037297, 24074594, 48149188, 96298376, 156484861, 312969722, 625939444, 1251878888]

約数ペア:

[(1, 1251878888), (2, 625939444), (4, 312969722), (8, 156484861), (13, 96298376), (26, 48149188), (52, 24074594), (104, 12037297), (2237, 559624), (4474, 279812), (5381, 232648), (8948, 139906), (10762, 116324), (17896, 69953), (21524, 58162), (29081, 43048)]